From ae51f41d14f548d494ac41e0d21137c5a4c3f59c Mon Sep 17 00:00:00 2001 From: Iru Cai Date: Wed, 30 Oct 2019 14:21:52 +0800 Subject: import the U-Boot code and make it compile --- include/cros_ec_message.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 include/cros_ec_message.h (limited to 'include/cros_ec_message.h') diff --git a/include/cros_ec_message.h b/include/cros_ec_message.h new file mode 100644 index 0000000..977951b --- /dev/null +++ b/include/cros_ec_message.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Chromium OS Matrix Keyboard Message Protocol definitions + * + * Copyright (c) 2012 The Chromium OS Authors. + */ + +#ifndef _CROS_MESSAGE_H +#define _CROS_MESSAGE_H + +/* + * Command interface between EC and AP, for LPC, I2C and SPI interfaces. + * + * This is copied from the Chromium OS Open Source Embedded Controller code. + */ +enum { + /* The header byte, which follows the preamble */ + MSG_HEADER = 0xec, + + MSG_HEADER_BYTES = 3, + MSG_TRAILER_BYTES = 2, + MSG_PROTO_BYTES = MSG_HEADER_BYTES + MSG_TRAILER_BYTES, + + /* Max length of messages */ + MSG_BYTES = EC_PROTO2_MAX_PARAM_SIZE + MSG_PROTO_BYTES, +}; + +#endif -- cgit v1.2.3